how to solve this An incident beam of deuterons is brought to bombard a thin beryllium target (at rest)PH+°Be -→B +'nA) Is there a threshold? If so, what is the estimated threshold energy

The nuclear reaction takes place when two nuclei of atoms bombard to form one or more nuclei. When the products are more stable than the reactants, we get energy out of the reaction which we can be turned into electricity to light our houses. When the products are less stable we need to put in the energy to make the reaction happen. Since we know Mass-energy equivalence this stability can be measured using the mass difference between the product and reactant. The side with lesser mass is more stable. The minimum threshold energy is equal to the rest mass energy difference. The rest mass-energy of the different nucleus. mH=2.014 amumBe=9.0012 amumB=11.009306 amumn=1.008665 amu Thus the minimum threshold energy. ∆E=(mB+mn-mH-mBe)c2∆E=1.66×10-27×1.00271×9×1016∆E=14.98 ×10-11 J

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An incident beam of deuterons is brought to bombard a thin beryllium target (at rest) 2H + °Be -1°B + 'n A) Is there a threshold? If so, what is the estimated threshold energy